package com.lyloou.practice.utils;

/**
 * @author lyloou
 * @date 2020/06/04
 * @desc
 */
public class StringUtils {
    public static String toLowerCaseFirstOne(String s) {
        if (Character.isLowerCase(s.charAt(0))) {
            return s;
        } else {
            return Character.toLowerCase(s.charAt(0)) + s.substring(1);
        }
    }
}
